He later moved to France with his wife Lise London, and the couple wrote L'Aveu (The Confession) there about his ordeal in the Prague Trials. While the main defendants were senior to London, he gained prominence worldwide by writing the book. The book was made into a film directed by Costa-Gavras, starring Yves Montand and Simone Signoret. Lise later narrated the documentary A Trial in Prague, dir. Zuzana Justman (2002, 83min).

Artur London died in Paris in 1986, aged 71. His wife Lise later died there in 2012, aged 96.[1][2]